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74HCT540D
+Lista de MateriaisIC BUFFER INVERT 5.5V 20SOIC
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FabricanteToshiba Semiconductor and Storage
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Peça do Fabricante #74HCT540D
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Ficha Técnica 74HCT540D DataSheet
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Pacote SOIC-14
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Em Estoque1645
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| Series | 74HCT |
| ProductStatus | Active |
| LogicType | Buffer, Inverting |
| NumberofElements | 1 |
| NumberofBitsperElement | 8 |
| OutputType | 3-State |
| Current-OutputHighLow | 6mA, 6mA |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-SOIC (0.295, 7.50mm Width) |
Visão Geral
Description
Key features of the 74HCT540D include:
1. Inverting Outputs: It provides inverted outputs of the input signal, useful in applications requiring signal inversion.
2. Octal Configuration: The IC contains eight independent buffers, making it ideal for managing multiple data lines.
3. Enable Pins: It includes two enable inputs (active low), allowing control over the buffer outputs.
4. Low Power Consumption: Due to CMOS technology, it offers efficient power usage.
5. Wide Supply Range: Operates typically within a 4.5V to 5.5V supply voltage.
6. High-Noise Immunity: Enhanced signal integrity in noisy environments.
The 74HCT540D is widely used in computers, communication devices, and other digital systems requiring efficient data buffering and signal inversion.
Equivalent
Features
Key features include:
- Eight inverting buffer/line drivers
- 3-state outputs for bus-oriented applications
- TTL-compatible input levels for seamless integration with TTL devices
- High-speed performance with low power consumption, typical of HCT technology
- Wide supply voltage range from 4.5V to 5.5V
- Outputs can drive up to 15 LSTTL loads
- Low input current, reducing power consumption
- Designed for use in high-density applications
The 74HCT540D is housed in a standard SO-20 package, making it suitable for surface mount technology (SMT). Its robustness and efficiency make it ideal for use in various digital systems where inverting buffer/line driving capabilities are required.
Pinout
Here's a brief overview of its pin configuration and functions:
1. Pins 1 & 19: Output Enable (OE) - Active low inputs, both must be low to enable the outputs.
2. Pins 2-9: Data Inputs (1A-8A) - Receive the data signals to be inverted and output.
3. Pins 11-18: Data Outputs (1Y-8Y) - Provide the inverted outputs corresponding to the inputs.
4. Pin 10: Ground (GND) - Connected to the circuit's ground.
5. Pin 20: VCC - Supply voltage pin, typically connected to 5V.
The 74HCT540D's primary function is to invert and buffer the input signals, providing higher current drive capability to the outputs. The IC is useful in applications requiring signal inversion and buffering, such as memory address driving or bus interfacing.
Manufacturer
Application
1. Data Bus Systems: Facilitates data transfer between components in microprocessors or microcontrollers.
2. Signal Isolation: Prevents signal interference by isolating various sections of a circuit.
3. Memory Addressing: Used in creating memory address decoders and multiplexing signals.
4. Peripheral Interfaces: Connects and controls input/output devices.
5. Level Shifting: Translates between voltage levels, such as from microcontrollers to higher voltage systems.
6. Industrial Automation: Used in control systems for industrial applications.
These applications take advantage of its ability to drive multiple outputs and its high-speed CMOS technology.